Article(id=1322917122581603140, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322917095268295267, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200317, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1588694400000, receivedDateStr=2020-05-06, revisedDate=1590249600000, revisedDateStr=2020-05-24, acceptedDate=null, acceptedDateStr=null, onlineDate=1793337620635, onlineDateStr=2026-10-30, pubDate=1608393600000, pubDateStr=2020-12-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793337620635, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793337620635, creator=13701087609, updateTime=1793337620635, updator=13701087609, issue=Issue{id=1322917095268295267, tenantId=1146029695717560320, journalId=1263187385517883426, year='2020', volume='48', issue='12', pageStart='1865', pageEnd='2010', issueExtLink='null', onlineDate='null', pubDate='1608393600000', pubDateStr='2020-12-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793337614123, creator='13701087609', updateTime=1793345927101, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322951962475507806, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322917095268295267, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322951962475507807, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322917095268295267, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1976, endPage=1981, ext={EN=ArticleExt(id=1322917122766152517, articleId=1322917122581603140, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Synthesis and Alkylation Properties of Mordenites with Different Morphologies, columnId=null, journalTitle=Journal of the Chinese Ceramic Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Three mordenites with different morphologies (i.e., fiber bundle, regular fiber and flaky) were synthesized via the introduction of cyclohexylamine and hexamethyleneimmonium, respectively. The crystal form, morphology, pore structure and acidity of the samples were characterized by X-ray diffraction and N2 physical adsorption, scanning electron microscopy and NH3 temperature-programmed desorption, and the alkylation performance evaluation and regeneration experiments were carried out. The experimental results show that all three mordenites have a great catalytic activity, and the catalyst life of the flaky mordenite can reach 26 h, which is better than that of the fiber bundle mordenite for 5 h and the regular fibrous mordenite for 3 h. The fiber bundle and regular fibrous mordenites can have a selectivity to 2-substituted linear alkylbenzene of more than 75%, and the product selectivity of flaky mordenite can reach more than 50%, which is superior to the existing technology for linear alkylbenzene production. The catalyst regeneration rate is opposite to the catalyst deactivation rate. The three mordenites with fiber bundle regular fiber and flaky morphologies have the maximum catalytic activities of fresh catalysts after regeneration of 8, 11 h, and 5 h, respectively.

, authors=Sishuai REN1, 2, Yan CUI1, Fayong LI1, Jian XU2, Xinmei PANG1, authorsList=Sishuai REN, Yan CUI, Fayong LI, Jian XU, Xinmei PANG, authorCompany=null, correspAuthors=Yan CUI, authorNote=

REN Sishuai (1993-), male, Master. E-mail:

, correspAuthorsNote=
CUI Yan (1988-), male, Engineer. E-mail:
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通过向合成体系中引入环己胺和六亚甲基亚胺,合成出了纤维束状、针柱状、薄片状的丝光沸石,并采用X射线衍射谱、N2物理吸附、扫描电子显微镜、NH3程序升温脱附等方式对其晶型、形貌、孔道结构、酸性等进行了表征,并分别进行了烷基化性能评价及再生实验。结果表明:3种丝光沸石都具有较强的催化活性,薄片状丝光沸石的催化剂寿命可以达到26 h,明显优于纤维束状丝光沸石的5 h时和针柱状丝光沸石的3 h。纤维束状和规则纤维状丝光沸石对2位取代线性烷基苯的选择性可达到75%以上,薄片状丝光沸石的产品选择性可达50%以上,均优于现有线性烷基苯生产技术。催化剂再生速度与催化剂失活速度相反,3种丝光沸石分别经过8、11、5 h再生可完全恢复失活前最高催化活性。

, authors=任思帅1, 2, 崔岩1, 李发永1, 徐建2, 庞新梅1, authorsList=任思帅, 崔岩, 李发永, 徐建, 庞新梅, authorCompany=null, correspAuthors=崔岩, authorNote=

任思帅(1993—),男,硕士研究生。

, correspAuthorsNote=
崔岩(1988—),男,硕士,工程师。
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不同形貌丝光沸石的合成及烷基化性能
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任思帅 1, 2 , 崔岩 1 , 李发永 1 , 徐建 2 , 庞新梅 1
硅酸盐学报 | 2020,48(12): 1976-1981
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硅酸盐学报 | 2020 , 48 (12) : 1976 -1981
不同形貌丝光沸石的合成及烷基化性能
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任思帅1, 2 , 崔岩1 , 李发永1, 徐建2, 庞新梅1
作者信息
  • 1.中国石油天然气股份有限公司石油化工研究院,北京 102206
  • 2.中国石油大学(北京),北京 102206
通讯作者:
崔岩(1988—),男,硕士,工程师。
作者简介:

任思帅(1993—),男,硕士研究生。

Synthesis and Alkylation Properties of Mordenites with Different Morphologies
Sishuai REN1, 2 , Yan CUI1 , Fayong LI1, Jian XU2, Xinmei PANG1
Affiliations
  • 1.Petro China Petrochemical Research Institute, Beijing 102206, China
  • 2.China University of petroleum-Beijng, Beijing 102206, China
  • Corresponding Author:
    CUI Yan (1988-), male, Engineer. E-mail:

    REN Sishuai (1993-), male, Master. E-mail:

出版时间: 2020-12-20 doi: 10.14062/j.issn.0454-5648.20200317
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通过向合成体系中引入环己胺和六亚甲基亚胺,合成出了纤维束状、针柱状、薄片状的丝光沸石,并采用X射线衍射谱、N2物理吸附、扫描电子显微镜、NH3程序升温脱附等方式对其晶型、形貌、孔道结构、酸性等进行了表征,并分别进行了烷基化性能评价及再生实验。结果表明:3种丝光沸石都具有较强的催化活性,薄片状丝光沸石的催化剂寿命可以达到26 h,明显优于纤维束状丝光沸石的5 h时和针柱状丝光沸石的3 h。纤维束状和规则纤维状丝光沸石对2位取代线性烷基苯的选择性可达到75%以上,薄片状丝光沸石的产品选择性可达50%以上,均优于现有线性烷基苯生产技术。催化剂再生速度与催化剂失活速度相反,3种丝光沸石分别经过8、11、5 h再生可完全恢复失活前最高催化活性。

丝光沸石  /  分子筛  /  结晶  /  水热合成  /  烷基化

Three mordenites with different morphologies (i.e., fiber bundle, regular fiber and flaky) were synthesized via the introduction of cyclohexylamine and hexamethyleneimmonium, respectively. The crystal form, morphology, pore structure and acidity of the samples were characterized by X-ray diffraction and N2 physical adsorption, scanning electron microscopy and NH3 temperature-programmed desorption, and the alkylation performance evaluation and regeneration experiments were carried out. The experimental results show that all three mordenites have a great catalytic activity, and the catalyst life of the flaky mordenite can reach 26 h, which is better than that of the fiber bundle mordenite for 5 h and the regular fibrous mordenite for 3 h. The fiber bundle and regular fibrous mordenites can have a selectivity to 2-substituted linear alkylbenzene of more than 75%, and the product selectivity of flaky mordenite can reach more than 50%, which is superior to the existing technology for linear alkylbenzene production. The catalyst regeneration rate is opposite to the catalyst deactivation rate. The three mordenites with fiber bundle regular fiber and flaky morphologies have the maximum catalytic activities of fresh catalysts after regeneration of 8, 11 h, and 5 h, respectively.

mordenite  /  zeolite  /  crystallization  /  hydrothermal synthesis  /  alkylation
任思帅, 崔岩, 李发永, 徐建, 庞新梅. 不同形貌丝光沸石的合成及烷基化性能. 硅酸盐学报, 2020 , 48 (12) : 1976 -1981 . DOI: 10.14062/j.issn.0454-5648.20200317
Sishuai REN, Yan CUI, Fayong LI, Jian XU, Xinmei PANG. Synthesis and Alkylation Properties of Mordenites with Different Morphologies[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (12) : 1976 -1981 . DOI: 10.14062/j.issn.0454-5648.20200317

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2020年第48卷第12期
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doi: 10.14062/j.issn.0454-5648.20200317
  • 接收时间:2020-05-06
  • 首发时间:2026-10-30
  • 出版时间:2020-12-20
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  • 收稿日期:2020-05-06
  • 修回日期:2020-05-24
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    1.中国石油天然气股份有限公司石油化工研究院,北京 102206
    2.中国石油大学(北京),北京 102206

通讯作者:

崔岩(1988—),男,硕士,工程师。
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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